A 72 year old female presents with a
painful right ankle. She is known to have hypertension and this is well
controlled on a thiazide diuretic. She does not smoke or drink and there has
been no previous joint problems.
On examination she is febrile, the right
ankle is swollen, erythematous, warm, tender and range of movement is markedly
In this patient which one of the
following tests would you perform next?
Serum uric acid level
MRI of the ankle
X-ray of the ankle